/* hidden the overflow-y */
body{
  overflow: hidden;
}
/*header*/
.header{
  position: absolute;
  /*border: 1px solid red;*/
  width: 100%;
  height: 70px;
  top: 0;
  left: 0;
}
/*the logo */
.header .logo{
  height: 25px;
  width: 70px;
}
.header .logo img{
  width: 100%;
  height: 100%;
  position: relative;
  top: 25px;
  left: 150px;
}
/*the login button*/
.header .entry{
  position: absolute;
  top: 30px;
  right: 200px;
}
.header .entry span{
  color: #ddd;
}
.header .entry a{
  color: #fff;
  font-size: 1.15em;
}
.header .entry a:hover{
  color: #00ff00;
}
/*the container*/
.container{
  /*border: 2px solid green;*/
}
/*the photo of center*/
.container .center{
  position:absolute;
  top: 160px;
  left: 400px;
}
/*the button group*/
.button-group{
  position: absolute;
  top: 400px;
  left: 320px;
}
.button1{
  margin-left: 100px;
}
.footer{
  color: #fff;
  font-size: 16px;
  font-family:"Times New Roman", Times, serif,arial;
}
.footer p:first-child{
  position: absolute;
  left: 550px;
  top: 630px;
  font-style: italic;
}
.footer p:last-child{
  position: absolute;
  left: 650px;
  top: 660px;
  font-weight: bolder;
}
